112 lines
3.6 KiB
EmacsLisp
112 lines
3.6 KiB
EmacsLisp
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;;; array.el --- AUCTeX style for `array.sty' -*- lexical-binding: t; -*-
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;; Copyright (C) 2013-2021 Free Software Foundation, Inc.
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;; Author: Mads Jensen <mje@inducks.org>
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;; Maintainer: auctex-devel@gnu.org
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;; Keywords: tex
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;; This file is part of AUCTeX.
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;; AUCTeX is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; AUCTeX is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with AUCTeX; see the file COPYING. If not, write to the Free
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;; Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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;; 02110-1301, USA.
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;;; Commentary:
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;; This file adds support for `array.sty'
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;;; Code:
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(require 'tex)
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(require 'latex)
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;; Silence the compiler:
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(declare-function font-latex-add-keywords
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"font-latex"
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(keywords class))
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(TeX-auto-add-type "array-newcolumntype" "LaTeX")
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(defvar LaTeX-array-newcolumntype-regexp
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'("\\\\newcolumntype{\\([^}]+\\)}"
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1 LaTeX-auto-array-newcolumntype)
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"Matches the argument of `\\newcolumntype' from `array'
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package.")
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(defun LaTeX-array-auto-prepare ()
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"Clear `LaTeX-auto-array-newcolumntype' before parsing."
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(setq LaTeX-auto-array-newcolumntype nil))
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(defun LaTeX-array-auto-cleanup ()
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"Move parsed column specification from
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`LaTeX-auto-array-newcolumntype' to `LaTeX-array-column-letters'."
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(when (LaTeX-array-newcolumntype-list)
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(LaTeX-array-update-column-letters)))
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(defun LaTeX-array-update-column-letters ()
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"Update and uniquify the value of `LaTeX-array-column-letters'
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and make it buffer local. "
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(set (make-local-variable 'LaTeX-array-column-letters)
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(mapconcat #'identity
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(TeX-delete-duplicate-strings
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(split-string
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(concat LaTeX-array-column-letters
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(mapconcat #'car (LaTeX-array-newcolumntype-list) ""))
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"" t))
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"")))
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(add-hook 'TeX-auto-prepare-hook #'LaTeX-array-auto-prepare t)
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(add-hook 'TeX-auto-cleanup-hook #'LaTeX-array-auto-cleanup t)
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(add-hook 'TeX-update-style-hook #'TeX-auto-parse t)
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(TeX-add-style-hook
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"array"
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(lambda ()
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(TeX-auto-add-regexp LaTeX-array-newcolumntype-regexp)
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(TeX-add-symbols
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'("newcolumntype"
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(TeX-arg-eval
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(lambda ()
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(let ((col (TeX-read-string "Column type: ")))
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(LaTeX-add-array-newcolumntypes col)
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(LaTeX-array-update-column-letters)
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(format "%s" col))))
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[ "Number of arguments" ] t)
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'("showcols" 0)
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'("firsthline" 0)
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'("lasthline" 0))
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;; `array.sty' adds a couple of new lengths. They're added here, rather than
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;; in the `TeX-add-symbols' block.
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(LaTeX-add-lengths "extratabsurround" "extrarowheight")
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;; `array.sty' adds some new column specification letters.
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(set (make-local-variable 'LaTeX-array-column-letters)
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(concat LaTeX-array-column-letters "m" "b" "w" "W"))
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;; Fontification
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(when (and (featurep 'font-latex)
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(eq TeX-install-font-lock 'font-latex-setup))
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(font-latex-add-keywords '(("newcolumntype" "{[{"))
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'function)))
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TeX-dialect)
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(defvar LaTeX-array-package-options nil
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"Package options for array.")
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;; array.el ends here
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